The understated beauty of this Riverby sink makes it an elegant and versatile addition to the kitchen. A single, large bowl provides ample space to soak and wash cookware, while a sloped base minimizes water pooling. Crafted from enameled cast iron, this sink resists chipping, cracking, or burning for years of beauty and reliable performance. It comes with a custom-fit colander with integral cutting board and a stainless-steel bottom sink rack. 30-inch minimum base cabinet width. Single bowl. 9-inch depth. Five oversized faucet holes. Bowl slopes 2 degrees toward drain to minimize water pooling. Offset drain increases workspace in the sink and storage space underneath. Includes K-6239 colander with integral cutting board and K-9137 bottom sink rack. Under-mount KOHLER® enameled cast iron.